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1. It was the first time that such a __ had to be taken at a British nuclear power station. A presentation B preparation C prediction D precaution 2.The test results are beyond__; they have been repeated in labs all over the world. A conflict B dispute C bargain D negotiation 3. The group of technicians are engaged in a study which __ all aspects of urban planning. A embraces B performs C inserts D grips 4. __ that he want happy with the arrangements. I tried to book a different hotel. A Puzzling B Penetrating C Perceiving D Persevering 5.His business, was very successful, but it was at the __ of his family life. A exhaustion B consumption C credit D expense 答案: 1-5 DBACD 1.选D precaution 预防措施或方法 I took the precaution of looking everything in the safe. presentation 赠送，演出 | 
